Yuumi, the Magical Cat

Bestow {1}{g}{w}{u}(If you cast this card for it's
bestow cost, it's an aura spell with enchant creature.
It becomes a creature again if it's not attached to a
creature.)
Yuumi and enchanted creature each get +1/+3,
have hexproof, and have "Whenever this
creature attacks, draw a card."
{1}: Return Yuumi to it's owner's hand.
Partner